Finding the Fourth Proportional to 808,113.65, 1,211,976.08 and 247,153.01
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Solution
The fourth proportional to 808,113.65, 1,211,976.08 and 247,153.01 is: 370,670.06
Step by Step Solution
- Step 1: Write the proportion equation
808,113.65 : 1,211,976.08 = 247,153.01 : x - Step 2: Convert to fraction form
808,113.65/1,211,976.08 = 247,153.01/x - Step 3: Cross multiply
808,113.65x = 1,211,976.08 × 247,153.01 - Step 4: Simplify right side
808,113.65x = 299,543,534,984.24 - Step 5: Solve for x
x = 299,543,534,984.24/808,113.65 - Step 6: Final answer
x = 370,670.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.